XL LIST OF SPECIES. 
30. CASTOROIDES, Foster. 
115.—Castoroides ohioensis, Foster.—Fossil Beaver.—Northern Ohio, New York and 
MCh ia fis dicts dias cas At aac dhleninentis vacua Suplee oe dco eaeee tee meme ana ih rae ake eee 
31. GEOMYS, Rafinesque. 
116.—Geomys bursarius, Rich.—Pouched or Pocket Gopher.—Missouri to Minnesota 
amd INiebraalcals. 4 fave cold Sacco Gels sons Ge Pa atc ee a ene wane chioeeeece 
117. -Ceomys breviceps, Baird, (n. s.)—Short-Headed Gopher.—Louisiana to Middle 
or Weestenn: Texase.icstuscceusmsiee avecee eee eo. saree case seem ce as'aciiaessese emcee 
118.—Geomys pinetis, Rafinesque.—Salamander.—Georgia and Florida. (Alabama, 
Mud). (657 Bach:.)\.- secasodeuess omceeencentsitrcesaersteds ckaweme Boncenen concern ce eneanas 
119.—Geomys clarkii, Baird, (n. s.)—Pecos Gopher.—Pecos River, Texas............s0006 
120.—Geomys castanops, Leconte.—Chestnut-Faced Gopher.—Bent’s Fort, Upper 
‘Arkatisas River, Jicccvves cacrcovsqueste Se eadesioss cc aetelaton cancees ss tine pane aee teen 
Nore.—The two following Mexican species are referred to— 
Geomys hispidus,, Leconte, Mexico so eee en eee eee awe ee a 
Geomys mexicanus, Leconte.—Mexico.-----.---- = =~ oon nn nn nn nw nn wn nena 
32. THOMOMYS, Maxim. 
121,—Thomomys bulbivorus,—California Gopher.—Coast of California, from Tejon 
vallevrtio etal at es sevacoteccmscesices <ccccaccintsseemehesesesneen eh antes: eae 
122.—Thomomys laticeps, Baird, (n. s.)—Broad-Headed Gopher.—Humbolt Bay ,Cal.. 
123.—Thomomys douglassii, Giebel.—Oregon Gopher.—Columbia River and Puget’s 
BoandliG The dees siseak ons: seein cow snh gs nnuvepe ap earn ceeseenunpsceeeshuaarneccuae 
124.—Thomomys borealis.— Upper Columbia River? Canoe Creek, Cal. (Hast of Cascade 
TOUT CAINS) We PEs ca le Kad ace eRe Seoee Neon ae eacinceisuuee semua nttemesieeeenee 
125.—Thomomys rufescens, Maxim.—Fort Union Gopher.—Fort Pierre to Fort Union, 
Gn Che NHSSGUrT:.. 56 casts sc chs Bovnecen sb oreeiiewa¥ settee rele eens: eeeeaneeee 
126.—Thomomys umbrinus.—Sonora Gopher.—Cimarron River, N. M., west to the 
Rocky Mountains, and south into Somora,.........csceccsesceseseeuceececereess 
127._Thomomys fulvus.—San Francisco mountains, N. M., to Fort Yuma and San 
33. DIPODOMYS, Gray. 
128,—Dipodomys ordii, Woodhouse.—Kangaroo Rat.—Platte River, along the eastern 
slope of the Rocky Mountains, into Durango and Coahuila, Mexico.... 
129.—Dipodomys phillipii, Gray.—Jumping Rat.—Los Angeles, Cal., to Fort Walla- 
Walla; OL, on the Colttmbias. 2... 2... csecsseessaecessnssheaevaressetnert anes 
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